<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入菜单名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类型" prop="status">
        <el-select v-model="queryParams.menuType" placeholder="菜单类型" clearable size="small">
          <el-option
            v-for="dict in menuTypeOptions"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['admin:resource:addOrEdit']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          size="mini"
          type="primary"
          icon="el-icon-delete"
          class="handle-del mr10"
          @click="delAllSelection"
          v-has-permi="['admin:resource:delete']"
        >批量删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="menuList"
      row-key="id"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="name" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
      <el-table-column prop="menuIcon" label="图标" align="center" width="160">
        <template slot-scope="scope" >
            <svg-icon :icon-class="scope.row.menuIcon" v-if="scope.row.menuIcon"/>
        </template>
      </el-table-column>
      <el-table-column prop="sort" label="排序" width="160" sortable></el-table-column>
      <el-table-column prop="permission" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="menuType" label="资源类型" :show-overflow-tooltip="true">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.menuType=='C'" type="success">菜单</el-tag>
          <el-tag v-if="scope.row.menuType=='M'" type="info">目录</el-tag>
          <el-tag v-if="scope.row.menuType=='F'">按钮</el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="menuUrl" label="路由地址" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['admin:resource:addOrEdit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['admin:resource:delete']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <div style="float: right;margin-top: 1%;">
      <el-pagination
        background
        layout="total, prev, pager, next"
        :current-page="queryParams.pageNum"
        :page-size="queryParams.pageSize"
        :total="pageTotal"
        @current-change="handlePageChange"
      ></el-pagination>
    </div>
    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.menuIcon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.menuIcon"
                    slot="prefix"
                    :icon-class="form.menuIcon"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="权限标识"  prop="permission">
              <el-input v-model="form.permission" placeholder="请输入权限标识" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="name">
              <el-input v-model="form.name" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="sort">
              <el-input-number v-model="form.sort" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="是否外链">
              <el-radio-group v-model="form.isFrame">
                <el-radio :label=true>是</el-radio>
                <el-radio :label=false>否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="menuUrl">
              <el-input v-model="form.menuUrl" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item label="组件路径" prop="component">
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType == 'C'" label="是否缓存">
              <el-radio-group v-model="form.isCache">
                <el-radio :label="true">缓存</el-radio>
                <el-radio :label="false">不缓存</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMenu, deleteMenu, getMenuNotButton } from '@/api/system/menu'
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";
import { commonUtils } from '@/utils/commonUtils'
import { axiosRequest } from '@/utils/request'

export default {
  name: "Menu",
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 显示状态数据字典
      visibleOptions: [],
      //被多选的数据
      multipleSelection:[],
      deleteIds:[],
      // 菜单类型数据字典
      menuTypeOptions: [
        {
          dictLabel:"目录",
          dictValue:"M"
        },
        {
          dictLabel:"菜单",
          dictValue:"C"
        },
        {
          dictLabel:"按钮",
          dictValue:"F"
        },
      ],
      // 查询参数
      queryParams: {
        name: undefined,
        menuType: undefined,
        sort:true,
        pageNum:1,
        pageSize:10
      },
      pageTotal:0,
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" }
        ],
        sort: [
          { required: true, message: "菜单顺序不能为空", trigger: "blur" }
        ],
        menuUrl: [
          { required: true, message: "路由地址不能为空", trigger: "blur" }
        ],
        permission:[
          { required: true, message: "权限标识不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.menuIcon = name;
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      listMenu(this.queryParams).then((res) => {
        let total = res.page.records;
        this.pageTotal = res.page.total;
        this.menuList = total
        this.loading = false;
      });
    },
    // 分页导航
    handlePageChange(val) {
      this.$set(this.queryParams, 'pageNum', val);
      this.getList();
    },
    // 多选操作
    handleSelectionChange(val) {
      this.multipleSelection =val;
    },
    //批量删除
    delAllSelection(){
      if (this.multipleSelection.length<=0){
        this.$message.error('请选择需要删除的数据！')
        return;
      }
      this.multipleSelection.forEach((item)=>{
        this.deleteIds.push(item.id);
      })
      if (this.deleteIds.length<=0){
        this.$message.error('请选择需要删除的数据！')
        return;
      }
      this.$confirm('确定要删除吗？', '提示', {
        type: 'warning'
      })
        .then(() => {
          if (!this.deleteIds)return;
          deleteMenu(this.deleteIds)
            .then(res=>{
              if (res.success==true){
                this.msgSuccess(res.msg);
              }else {
                this.msgError(res.msg);
              }
              this.getList();
              this.multipleSelection=[];
              this.deleteIds = [];
            }).catch(res=>{
            this.msgError(res.msg);
          })
        })
        .catch(() => {});
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      };
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      getMenuNotButton().then(response => {
        this.menuOptions = [];
        const menu = { id: 0 , name: '主类目', children: [] };
        menu.children=commonUtils.processItems(response.res)
        this.menuOptions.push(menu);
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        parentId: 0,
        name: undefined,
        menuIcon: undefined,
        menuType: "M",
        sort: undefined,
        isFrame: false,
        isCache: false,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.id) {
        this.form.parentId = row.id;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = "添加菜单";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      this.form = row;
      this.open = true;
      this.title = "修改菜单";
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          axiosRequest("resource/saveOrEdit",this.form)
            .then(res=>{
              if (res.success==true){
                if (this.form.id!=undefined){
                  this.msgSuccess("修改成功");
                }else {
                  this.msgSuccess("新增成功");
                }
              }else {
                if (this.form.id!=undefined){
                  this.msgSuccess("修改失败");
                }else {
                  this.msgSuccess("新增失败");
                }
              }
              this.open = false;
              this.getList();
            })
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      let ids = this.deleteIds;
      this.$confirm('是否确认删除名称为"' + row.name + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(()=> {
          ids.push(row.id);
          deleteMenu(ids).then(res=>{
            if (res.success==true){
              this.msgSuccess(res.msg);
            }else {
              this.msgError(res.msg);
            }
            this.getList();
            this.multipleSelection=[];
            this.deleteIds = [];
          })
      }).catch(() => {
          this.getList();
        })
    }
  }
};
</script>
